- Geoservices
International oil and gas service company proposing mud logging, well testing, well intervention, field surveillance, and production facilities.
www.geoservices.com
- Enerplus Group
(NYSE:ERF)
Invests in mature crude oil and natural gas producing properties located primarily in western Canada.
www.enerplus.com
- Hindustan Petroleum Corp Limited
www.hindustanpetroleum.com
- Newfield Exploration Company
(NYSE:NFX)
Explores, develops, and acquires oil and gas properties principally in the Gulf of Mexico.
www.newfld.com
- Tesoro Petroleum
(NYSE:TSO)
Refiner and marketer of petroleum products.
www.tesoropetroleum.com
- Giant Industries Inc.
Oil and gas refiner and distributor, with gas stations throughout the Southwestern U.S.
www.giant.com
- Getty Petroleum Marketing, Inc.
Marketers and distributors of petroleum products.
www.getty.com
- API
Energy, oil trading, refinery, petroleum engineering, gasoline distribution.
www.apioil.com
- InterOil Corporation
(AMEX:IOC)
Focused on the development of an oil refinery in Papua New Guinea (PNG).
www.interoil.com
- Holly Corporation
(NYSE:HOC)
Is engaged, through its affiliates (Navajo Refining Company and Montana Refining Company), in the refining, transportation, terminalling and marketing of petroleum products.
www.hollycorp.com
- Quicksilver Resources
(NYSE:KWK)
Gas and oil exploration and production.
www.qrinc.com
- Shell Oil Company
Holding company whose subsidiaries explore, develop, produce, purchase, transport, and market crude oil and natural gas in the United States.
www.countonshell.com
- Petroleum Development Corporation
(Nasdaq:PETD)
Explores for, develops and produces oil and gas primarily in the Appalachian Basin area of West Virginia, Tennessee, Pennsylvania and Ohio.
www.petd.com
- Blue Dolphin Energy
Engaged in the acquisition and development of oil and gas properties and the gathering and transportation of natural gas and condensate.
www.blue-dolphin.com
- Swift Energy Company
(NYSE:SFY)
Natural gas and oil company engaged in the development, exploration, acquisition, and operation of oil and gas properties, with a focus on onshore and inland water areas of the Texas and Louisiana Gulf Coast, and on New Zealand's Taranaki Basin onshore areas.
www.swiftenergy.com
- St. Mary Land & Exploration Company
(NYSE:SM)
Engaged in the exploration, development, acquisition, and production of natural gas and crude oil in the United States.
www.stmaryland.com
- Helmerich & Payne
(NYSE:HP)
Engaged in contract drilling and oil and gas exploration and production.
www.hpinc.com
- Callon Petroleum Company
(NYSE:CPE)
Exploration, development, acquisition and operation of oil and gas properties. Primary focus is the Gulf Coast region of the United States.
www.callon.com
- Unit Corporation
(NYSE:UNT)
Diversified energy company involved in oil and natural gas exploration and production.
www.unitcorp.com
- Patterson-UTI Energy
(Nasdaq:PTEN)
Provider of onshore contract drilling services to exploration and production companies in North America.
www.patenergy.com
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